could quest
Regular verb: quest - quested- quested

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could quest
you could quest
she could quest
we could quest
you could quest
they could quest 	I could be questing
you could be questing
she could be questing
we could be questing
you could be questing
they could be questing	I could have quested
you could have quested
she could have quested
we could have quested
you could have quested
they could have quested	I could have been questing
you could have been questing
she could have been questing
we could have been questing
you could have been questing
they could have been questing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't quest
you couldn't quest
she couldn't quest
we couldn't quest
you couldn't quest
they couldn't quest 	I couldn't be questing
you couldn't be questing
she couldn't be questing
we couldn't be questing
you couldn't be questing
they couldn't be questing	I couldn't have quested
you couldn't have quested
she couldn't have quested
we couldn't have quested
you couldn't have quested
they couldn't have quested	I couldn't have been questing
you couldn't have been questing
she couldn't have been questing
we couldn't have been questing
you couldn't have been questing
they couldn't have been questing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I quest?
could you quest?
could she quest?
could we quest?
could you quest?
could they quest? 	could I be questing?
could you be questing?
could she be questing?
could we be questing?
could you be questing?
could they be questing? 	could I have quested?
could you have quested?
could she have quested?
could we have quested?
could you have quested?
could they have quested? 	could I have been questing?
could you have been questing?
could she have been questing?
could we have been questing?
could you have been questing?
could they have been questing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I quest?
couldn't you quest?
couldn't she quest?
couldn't we quest?
couldn't you quest?
couldn't they quest? 	couldn't I be questing?
couldn't you be questing?
couldn't she be questing?
couldn't we be questing?
couldn't you be questing?
couldn't they be questing? 	couldn't I have quested?
couldn't you have quested?
couldn't she have quested?
couldn't we have quested?
couldn't you have quested?
couldn't they have quested? 	couldn't I have been questing?
couldn't you have been questing?
couldn't she have been questing?
couldn't we have been questing?
couldn't you have been questing?
couldn't they have been questing?